Home / 55,135.91-82,702.33-17,695.69

Finding the Fourth Proportional to 55,135.91, 82,702.33 and 17,695.69

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Solution

The fourth proportional to 55,135.91, 82,702.33 and 17,695.69 is: 26,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,135.91 : 82,702.33 = 17,695.69 : x
  2. Step 2: Convert to fraction form
    55,135.91/82,702.33 = 17,695.69/x
  3. Step 3: Cross multiply
    55,135.91x = 82,702.33 × 17,695.69
  4. Step 4: Simplify right side
    55,135.91x = 1,463,474,793.96
  5. Step 5: Solve for x
    x = 1,463,474,793.96/55,135.91
  6. Step 6: Final answer
    x = 26,543.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.